CN207868360U - Four frequency combiners - Google Patents
Four frequency combiners Download PDFInfo
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- CN207868360U CN207868360U CN201820358739.3U CN201820358739U CN207868360U CN 207868360 U CN207868360 U CN 207868360U CN 201820358739 U CN201820358739 U CN 201820358739U CN 207868360 U CN207868360 U CN 207868360U
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Abstract
The utility model embodiment discloses a kind of four frequency combiners, including cavity and cover board, cover plate lid is set on cavity, GSM filters are equipped in cavity, DCS filters, TDF＆TDA filters and TDE filters, containment portion is respectively equipped with the ports GSM, the ports DCS, the ports TDF＆TDA, the ports TDE and public port, wherein, the ports GSM, the ports DCS, the ports TDF＆TDA and the ports TDE respectively with GSM filter input ends, DCS filter input ends, TDF＆TDA filter input ends are connected with TDE filter input ends, public port and GSM filter outputs, DCS filter outputs, TDF＆TDA filter outputs and TDE filter outputs connect jointly.The utility model embodiment makes isolation accomplish 80dB or more, enhances the reliability of network, simplify structure, improve performance by designing the filter of tetra- frequency network signals of GSM, DCS, TDF＆TDA and TDE on same cavity.
Description
Technical field
The utility model is related to fields of communication technology, more particularly to a kind of four frequency combiners.
Background technology
Present mobile communication, combiner as a kind of basic radio frequency unit, insertion loss, Out-of-band rejection, it is passive mutually
A series of indexs such as power capacity that reconcile have the performance of complete machine important influence.
With in the design process of frequency combiner, general be classified using chamber altogether of traditional combiner realization method is arranged to realize
The uplink and downlink signals of port bandwidth, i.e., two standards are first combined respectively, then further take coupling by public resonant cavity, by
In there are more resonant cavity, crosstalk is stronger, and causes combiner cavity volume larger, and cost is higher.
Meanwhile there are band overlapping between different operators, occur, without the relatively narrow situation of intermediate zone or intermediate zone, causing
Adjacent pass-bands influence each other in public port so that can not carry out common end using the combiner mode that traditional total chamber is classified
The design of mouth.
For this reason, it is necessary to it is more reliable to provide a kind of small volume, performance, the good combiner of consistency, on solving
State problem.
Utility model content
The technical problem to be solved by the embodiment of the utility model is, a kind of four frequency combiners are provided, so as to can reach
The effect good to simple in structure, at low cost and performance.
In order to solve the above-mentioned technical problem, the utility model embodiment proposes a kind of four frequency combiners, including cavity and
Cover board, cover plate lid are set on cavity, and GSM filters, DCS filters, TDF＆TDA filters and TDE filters are equipped in cavity,
Containment portion is respectively equipped with the ports GSM, the ports DCS, the ports TDF＆TDA, the ports TDE and public port, wherein the ports GSM,
The ports DCS, the ports TDF＆TDA and the ports TDE are filtered with GSM filter input ends, DCS filter input ends, TDF＆TDA respectively
Device input terminal is connected with TDE filter input ends, public port and GSM filter outputs, DCS filter outputs, TDF＆
TDA filter outputs and TDE filter outputs connect jointly.
Further, the GSM filters are four chamber bandpass filters, and by a straight slot, four important actors and four
Resonant rod forms, and tooth hole is equipped on the important actor, and four resonant rods are set to 4 important actors correspondingly respectively
On tooth hole, wherein first resonant rod by couple conducting wire connect with the ports GSM, the 4th resonant rod by coupling conducting wire and
Public port connects.
Further, the DCS filters include the first resonant cavity being sequentially connected, the second resonant cavity, third resonant cavity,
4th resonant cavity, the 5th resonant cavity, the 6th resonant cavity, the 7th resonant cavity and the 8th resonant cavity, the centre bit of 8 resonant cavities
Set resonant rod there are one being all provided with, wherein the resonant rod in the first resonant cavity is connect by coupling bar with public port, the 8th resonance
The resonant rod of intracavitary is connect by coupling bar with the ports DCS, and the second resonant cavity and the 4th resonant cavity are coupled using screw rod sky device
Inhibit.
Further, first resonant cavity be common cavity, TDF＆TDA filters by be sequentially connected the first resonant cavity,
9th resonant cavity, the tenth resonant cavity, the 11st resonant cavity, the 12nd resonant cavity, the 13rd resonant cavity, the 14th resonant cavity,
15 resonant cavities and the 16th resonant cavity composition, it is the 9th resonant cavity, the tenth resonant cavity, the 11st resonant cavity, the 12nd humorous
Shake chamber, the 13rd resonant cavity, the 14th resonant cavity, the 15th resonant cavity and the 16th resonant cavity center be all provided with there are one
Resonant rod, the resonant rod in the 16th resonant cavity are connect by coupling bar with the ports TDF＆TDA, the resonant rod in the 9th resonant cavity
It is connect with the resonant rod in the first resonant cavity by Space Coupling, between the 11st resonant cavity and the 13rd resonant cavity and the tenth
It is equipped with capacitive cross coupling device between three resonant cavities and the 15th resonant cavity.
Further, the TDE filters are by the first resonant cavity, the 17th resonant cavity, the 18th resonance that are sequentially connected
Chamber, the 19th resonant cavity, the 20th resonant cavity, the 21st resonant cavity and the 22nd resonant cavity, the 17th resonant cavity,
The centre bit of 18th resonant cavity, the 19th resonant cavity, the 20th resonant cavity, the 21st resonant cavity and the 22nd resonant cavity
Resonant rod there are one being all provided with is set, the resonant rod in the 22nd resonant cavity is connect by coupling bar with the ports TDE.
Further, the cover board outer surface, which is sticked, electroplating film.
The utility model embodiment is by proposing a kind of four frequency combiners, including GSM filters, DCS filters, TDF＆
TDA filters and TDE filters, by the way that the filter design of tetra- frequency network signals of GSM, DCS, TDF＆TDA and TDE exists
On same cavity, isolation is made to have accomplished 80dB or more, enhance the reliability of network, simplify structure, improves performance, in turn
Technique effect simple in structure, at low cost and that performance is good is reached.
Description of the drawings
Fig. 1 is the internal structure chart of four frequency combiners of the utility model embodiment.
Fig. 2 is the sectional view at A-A in Fig. 1.
Fig. 3 is the sectional view at B-B in Fig. 1.
Fig. 4 is the Facad structure figure of four frequency combiners of the utility model embodiment.
Fig. 5 is the construction profile of four frequency combiners of the utility model embodiment.
Drawing reference numeral explanation
Cavity 1
Cover board 2
The ports GSM 3
The ports DCS 4
The ports TDF＆TDA 5
The ports TDE 6
Public port 7
Straight slot 8
Important actor 9
Resonant rod 10
First resonant cavity 11
Second resonant cavity 12
Third resonant cavity 13
4th resonant cavity 14
5th resonant cavity 15
6th resonant cavity 16
7th resonant cavity 17
8th resonant cavity 18
9th resonant cavity 19
Tenth resonant cavity 20
11st resonant cavity 21
12nd resonant cavity 22
13rd resonant cavity 23
14th resonant cavity 24
15th resonant cavity 25
16th resonant cavity 26
17th resonant cavity 27
18th resonant cavity 28
19th resonant cavity 29
20th resonant cavity 30
21st resonant cavity 31
22nd resonant cavity 32
Couple conducting wire 33
Coupling bar 34
Capacitive cross coupling device 35.
Specific implementation mode
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
It mutually combines, the utility model is described in further detail in the following with reference to the drawings and specific embodiments.
If directional instruction in the utility model embodiment（Such as up, down, left, right, before and after ...）It is only used for explaining
In a certain particular pose（As shown in the picture）Under relative position relation, motion conditions etc. between each component, if the specific appearance
When state changes, then directionality instruction also correspondingly changes correspondingly.
If in addition, the description for being related to " first ", " second " etc. in the present invention is used for description purposes only, and cannot manage
Solution is instruction or implies its relative importance or implicitly indicates the quantity of indicated technical characteristic.Define as a result, " the
One ", the feature of " second " can explicitly or implicitly include at least one of the features.
Fig. 1~Fig. 5 is please referred to, four frequency combiners of the utility model embodiment include mainly cavity 1 and cover board 2.
Cover board 2 is covered on cavity 1.GSM filters, DCS filters, TDF＆TDA filters and TDE are equipped in cavity 1
Filter.The ports GSM 3, the ports DCS 4, the ports TDF＆TDA 5, the ports TDE 6 and public port 7 are respectively equipped with outside cavity 1.It is excellent
Selection of land, cavity 1 are process using aluminum material, and in 1 interior surface of cavity with electroplating technical finesse is led, in cavity 1
Cost is greatly saved under the premise of not influence technique index in portion's electroplate.
The ports GSM 3, the ports DCS 4, the ports TDF＆TDA 5 and the ports TDE 6 are filtered with GSM filter input ends, DCS respectively
Device input terminal, TDF＆TDA filter input ends are connected with TDE filter input ends, public port 7 and GSM filter outputs,
DCS filter outputs, TDF＆TDA filter outputs and TDE filter outputs connect jointly, and four filters are public
The window of 7 junction of port realizes the coefficient of coup.
As an implementation, GSM filters be four chamber bandpass filters, and by 8, four important actors 9 of a straight slot with
And four resonant rods 10 form.Tooth hole is equipped on important actor 9, four resonant rods 10 are set to described 4 correspondingly respectively
On the tooth hole of a important actor 9.First resonant rod 10 is connect by coupling conducting wire 33 with the ports GSM 3, and the 4th resonant rod 10 passes through
Coupling conducting wire 33 is connect with public port 7.
As an implementation, DCS filters include the first resonant cavity 11 being sequentially connected, the second resonant cavity 12,
Three resonant cavities 13, the 4th resonant cavity 14, the 5th resonant cavity 15, the 6th resonant cavity 16, the 7th resonant cavity 17 and the 8th resonant cavity 18,
The center of 8 resonant cavities is all provided with there are one resonant rod 10.Resonant rod 10 in first resonant cavity 11 passes through coupling bar
34 connect with public port 7, and the resonant rod 10 in the 8th resonant cavity 18 is connect by coupling bar 34 with the ports DCS 4, the second resonance
Chamber 12 and the 4th resonant cavity 14 are inhibited using the coupling of screw rod sky device.
As an implementation, the first resonant cavity 11 is common cavity, and TDF＆TDA filters are humorous by be sequentially connected first
Shake chamber 11, the 9th resonant cavity 19, the tenth resonant cavity 20, the 11st resonant cavity 21, the 12nd resonant cavity 22, the 13rd resonant cavity
23, the 14th resonant cavity 24, the 15th resonant cavity 25 and the 16th resonant cavity 26 composition.The utility model embodiment is by by
One resonant cavity 11 as TDF＆TDA filters, TDE filters and DCS filters common cavity, it can be achieved that various frequency ranges conjunction
Road keeps bandwidth of operation wider while simplifying structure.9th resonant cavity 19, the tenth resonant cavity 20, the 11st resonant cavity 21,
In 12 resonant cavities 22, the 13rd resonant cavity 23, the 14th resonant cavity 24, the 15th resonant cavity 25 and the 16th resonant cavity 26
Heart position is all provided with that there are one the resonant rods 10 in the 10, the 16th resonant cavity 26 of resonant rod to pass through coupling bar 34 and the ports TDF＆TDA 5
It connecting, the resonant rod 10 in the 9th resonant cavity 19 is connect by Space Coupling with the resonant rod 10 in the first resonant cavity 11, and the tenth
It is equipped with appearance between one resonant cavity 21 and the 13rd resonant cavity 23 and between the 13rd resonant cavity 23 and the 15th resonant cavity 25
Sex-intergrade coupling device 35（That is tuning capacitance）.
As an implementation, TDE filters by be sequentially connected the first resonant cavity 11, the 17th resonant cavity 27,
18 resonant cavities 28, the 19th resonant cavity 29, the 20th resonant cavity 30, the 21st resonant cavity 31 and the 22nd resonant cavity
32, the 17th resonant cavity 27, the 18th resonant cavity 28, the 19th resonant cavity 29, the 20th resonant cavity the 30, the 21st are humorous
The shake center of chamber 31 and the 22nd resonant cavity 32 is all provided with there are one resonant rod 10, the resonance in the 22nd resonant cavity 32
Bar 10 is connect by coupling bar 34 with the ports TDE 6.
As an implementation, 2 outer surface of cover board, which is sticked, electroplating film.Electroplating film further enhances network
Reliability.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied
Change, replace and modification, the scope of the utility model are limited by appended claims and its equivalency range.
Claims (6)
1. a kind of four frequency combiners, including cavity and cover board, cover plate lid are set on cavity, which is characterized in that be equipped with GSM in cavity
Filter, DCS filters, TDF＆TDA filters and TDE filters, containment portion be respectively equipped with the ports GSM, the ports DCS,
The ports TDF＆TDA, the ports TDE and public port, wherein the ports GSM, the ports DCS, the ports TDF＆TDA and the ports TDE respectively with
GSM filter input ends, DCS filter input ends, TDF＆TDA filter input ends are connected with TDE filter input ends, public
Port is total with GSM filter outputs, DCS filter outputs, TDF＆TDA filter outputs and TDE filter outputs
With connection.
2. four frequency combiner as described in claim 1, which is characterized in that the GSM filters are four chamber bandpass filters, and
It is made of a straight slot, four important actors and four resonant rods, tooth hole, four resonant rods difference is equipped on the important actor
It being set on the tooth hole of 4 important actors correspondingly, wherein first resonant rod is connect by coupling conducting wire with the ports GSM,
4th resonant rod is connect by coupling conducting wire with public port.
3. four frequency combiner as described in claim 1, which is characterized in that the DCS filters include first be sequentially connected
Resonant cavity, the second resonant cavity, third resonant cavity, the 4th resonant cavity, the 5th resonant cavity, the 6th resonant cavity, the 7th resonant cavity and
Eight resonant cavities, the centers of 8 resonant cavities are all provided with that there are one resonant rods, wherein the resonant rod in the first resonant cavity is logical
Overcoupling bar is connect with public port, and the resonant rod in the 8th resonant cavity is connect by coupling bar with the ports DCS, the second resonant cavity
And the 4th resonant cavity using screw rod sky device coupling inhibit.
4. four frequency combiner as claimed in claim 3, which is characterized in that first resonant cavity is common cavity, TDF＆TDA filters
Wave device by be sequentially connected the first resonant cavity, the 9th resonant cavity, the tenth resonant cavity, the 11st resonant cavity, the 12nd resonant cavity,
13 resonant cavities, the 14th resonant cavity, the 15th resonant cavity and the 16th resonant cavity composition, it is the 9th resonant cavity, the tenth humorous
Shake chamber, the 11st resonant cavity, the 12nd resonant cavity, the 13rd resonant cavity, the 14th resonant cavity, the 15th resonant cavity and the 16th
The center of resonant cavity is all provided with there are one resonant rod, and the resonant rod in the 16th resonant cavity passes through coupling bar and the ends TDF＆TDA
Mouth connects, and the resonant rod in the 9th resonant cavity is connect by Space Coupling with the resonant rod in the first resonant cavity, the 11st resonance
It is equipped with capacitive cross coupling device between chamber and the 13rd resonant cavity and between the 13rd resonant cavity and the 15th resonant cavity.
5. four frequency combiner as claimed in claim 4, which is characterized in that the TDE filters are humorous by be sequentially connected first
Shake chamber, the 17th resonant cavity, the 18th resonant cavity, the 19th resonant cavity, the 20th resonant cavity, the 21st resonant cavity and second
12 resonant cavities, it is the 17th resonant cavity, the 18th resonant cavity, the 19th resonant cavity, the 20th resonant cavity, the 21st humorous
The shake center of chamber and the 22nd resonant cavity is all provided with there are one resonant rod, and the resonant rod in the 22nd resonant cavity passes through coupling
Bar is closed to connect with the ports TDE.
6. four frequency combiners as described in any one of claim 1-5, which is characterized in that the cover board outer surface is sticked and has electricity
Protective film coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820358739.3U CN207868360U (en) | 2018-03-16 | 2018-03-16 | Four frequency combiners |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820358739.3U CN207868360U (en) | 2018-03-16 | 2018-03-16 | Four frequency combiners |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207868360U true CN207868360U (en) | 2018-09-14 |
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ID=63456050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820358739.3U Active CN207868360U (en) | 2018-03-16 | 2018-03-16 | Four frequency combiners |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113782929A (en) * | 2021-07-26 | 2021-12-10 | 深圳市数创众泰科技有限公司 | Band-stop filter |
-
2018
- 2018-03-16 CN CN201820358739.3U patent/CN207868360U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113782929A (en) * | 2021-07-26 | 2021-12-10 | 深圳市数创众泰科技有限公司 | Band-stop filter |
| CN113782929B (en) * | 2021-07-26 | 2022-08-05 | 深圳市数创众泰科技有限公司 | Band-stop filter |
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